Nearly 3,000 people cast their vote during our first round of March Mammal Madness, narrowing the possible names for our hypothetical common placental ancestor down to 16. Help us narrow down the choices even further by voting for your favorites below. You have until 5 pm EDT on Tuesday, March 19, to make your selections.

The “Name Your Ancestor” contest resulted in more than 1,000 name suggestions for the hypothetical common placental ancestor that scientists described last month. The top 32 contestants, as selected by the Museum and WNYC’s Radiolab, range from serious to silly. Starting today, we need your help to pick the winning moniker for this small, furry, insect-eating mammal.

This spring, as the Museum celebrates the 10-year anniversary of the Irma and Paul Milstein Family Hall of Ocean Life, visitors can be transported to remote South Pacific coral reefs, the Cocos Island off Costa Rica, and other fascinating destinations as part of this season’s Milstein Science Series.

A new study, by researchers including the Museum's John Ascher, shows that although certain bumble bees are at risk, other bee species in the northeastern United States persisted across a 140-year period despite expanding human populations and changing land use.